What's missing are the summaries that web developers are commonly used to. For example, the network tab in the developer tools. It is arguably very handy for development – and often more actionable than having to step through individual requests.
But you are of course also right that you can just attach a debugger. That's also called out in the article.
But you are of course also right that you can just attach a debugger. That's also called out in the article.